131720030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{34939}}^1$

素因数の和:34988

約数の個数: 32

約数和(自身を含む): 264146400

約数和(自身を除く): 132426370

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 34939, 69878, 174695, 349390, 454207, 908414, 1013231, 2026462, 2271035, 4542070, 5066155, 10132310, 13172003, 26344006, 65860015, 131720030]

約数ペア:

[(1, 131720030), (2, 65860015), (5, 26344006), (10, 13172003), (13, 10132310), (26, 5066155), (29, 4542070), (58, 2271035), (65, 2026462), (130, 1013231), (145, 908414), (290, 454207), (377, 349390), (754, 174695), (1885, 69878), (3770, 34939)]